Optional Seal [Ordering]:
Buna-N seal is standard. Alternate seals are specified by the appropriate suffix on the catalog number.
For example, 3003 socket with Heat Adder is 3003H. Refer to sizes/pricing for appropriate part for list of seals available.

Sockets other than standard are color coded:
Water (Blue), Steam (Black), and Heat (Red)

Foster 3 thru 6 Series couplers are designed for rigid mounting that allows a simple push-to-connect operation,
constructed of a solid brass body and a steel valve.

"FM" Series are mechanically interchangeable with similar industrial interchange couplings made by other
manufacturers and accept plugs that conform to MIL-C4109-F.
Plugs used with the "FM" Series are the Industrial Interchange plugs.
FM Series 3 and 5 couplers comply with A-A-59439.

Safety: To connect, insert plug and pull sleeve forward. To disconnect,
push sleeve back while rotating first counter clockwise and then clockwise.
As sleeve goes black, supply line is shut off, downstream line is exhausted, and plug is released. Remove plug.

100% safety

Connect and disconnect at “0” pressure

Plug locked before air is turned on and downstream line is exhausted before plug is released,
completely eliminating hose whip